<div id="textArea" class="form-group has-feedback formio-component formio-component-textarea formio-component-textArea " ref="component">
  <label class="control-label " for="textArea-textArea">
    Text Area
  </label>
  <div ref="element">
    <div ref="value">
      <div>foobar</div>
    </div>
  </div>
  <div ref="messageContainer" class="formio-errors invalid-feedback"></div>
</div>